We track 17 dive operators in Osaki. 3 teach certification courses (2 PADI, 2 NAUI). 5 run snorkelling trips. Listings are ordered by Fin Rank: a published score for how complete and verified each listing is.
The 8 highest-ranked of 17. How Fin Rank works
| Rank | Operator | TripAdvisor | Try dive | Agencies | Website | |
|---|---|---|---|---|---|---|
| 1 | Tomsawyer Marine Shop | 4.8(167) | none | none | PADI · NAUI | Visit |
Which centres run each site, named on their own websites or confirmed by the owner.
Fin lists 17 dive operators in Osaki. 3 of them run certification courses.
PADI is the most common agency (2 centres), followed by NAUI (2).
5 of the 17 operators we track run snorkelling tours.
Operators are sorted by Fin Rank, a 100-point profile strength score: contact details, what they offer, the dive sites they run, their Google reputation, whether the owner has claimed the listing, and whether their own website links to Fin. 0 listings here are owner-verified. The formula is published in full on the Fin Rank page.
Tomsawyer Marine Shop is a long-established diving and marine shop in Ishigaki Island founded in 1985. The operator offers scuba diving, snorkeling, sunset cruises, and private cruiser charters using its own fleet of boats. They provide guided tours for beginners and experienced divers, with staff members holding various professional certifications.
Diving Shop Polaris is located in Ishigaki and offers guided fun dives, discovery diving, and snorkeling tours. The operator uses a 21-passenger jet boat equipped with safety features and provides training courses for various skill levels.
Smile Fish is a diving shop located on Iriomote Island that provides guided diving services and license courses. The operator offers small group tours and features English-speaking instructors to assist international guests.
Dive Station Yuimare is a diving service based in Ishigaki Island that offers guided fun dives and training courses. They operate a two-story diving cruiser named Odyssey equipped with deck space and restroom facilities. The operator provides boat trips to various locations including Ishigaki, Taketomi, Kuroshima, Iriomote, and Hateruma islands.
Ishigaki Island Total Marine is a diving shop operated by a local guide born and raised on Ishigaki Island. The operator provides guided diving, snorkeling tours, and license courses using a private boat that accommodates up to six guests per trip.
| 2 | DIVING SHOP POLARIS | 5.0(5) | none | none | PADI | Visit |
| 3 | Smile Fish Diving Service | 4.9(51) | none | none | NAUI | Visit |
| 4 | DIVE STATION YUIMARE | 4.9(22) | none | none | none | Visit |
| 5 | Prime Scuba Ishigaki | 5.0(780) | none | none | none | Visit |
| 6 | 石垣島トータルマリン | 5.0(2) | none | none | none | Visit |
| 7 | GOOD DIVE | 4.8(15) | none | none | none | Visit |
| 8 | Diving Team Unarizaki | 4.0(42) | none | none | none | Visit |
